I was recently reading the book "Bird Brother's Linux Recipes" and came across some commands that I didn't know how to type.For example, when I typed "echo ${PATH} | cut -d ':' -f 5", was the "|" type...
Marcin has a photo he took at the OE stand:[font='Lucida Grande', 'Lucida Sans Unicode', Verdana, sans-serif][size=3][color=#666666][size=12px][img=459,613]http://fl0rian.files.wordpress.com/2009/07/l...
[size=6]My interpretation of “2008” 2008, I find this number quite interesting… First of all, the first number “2” means two, and then there are two “0”s after it… Then look at the two “0”s, two “0”s ...
When doing a serial port program, use a USB to serial port data cable to connect to the MODEM. After opening the serial port, use the SetCommState function to set the serial port parameters. When the ...
Product series: PB-B-RS232/485 interface (hereinafter sometimes referred to as "interface") is a product in the PROFIBUS bus bridge series.
The main purpose of the bridge series ...[Details]
As a simple and practical input device, buttons have been used in various microcontroller application systems and are ubiquitous. However, the buttons used in different practical occasions are also...[Details]
Various electronic and electromagnetic interference inside and outside the car often puts automotive electronic equipment in dangerous working conditions, degrading the performance of electronic eq...[Details]
1 Introduction
Intelligent cars are the embodiment of the cross-integration of multiple disciplines such as automotive electronics, artificial intelligence, pattern recognition, automatic con...[Details]
AD7708 is a multi-channel 16-bit Σ-Δ analog-to-digital converter ADC. It supports 4 or 5 channels of true differential input and 8 or 10 channels of pseudo differential input. This chip allows two ...[Details]
0 Introduction
Gyroscope
is a sensitive measuring element of the platform stabilization system. It senses the angular motion signal of the platform and establishes the stability bench...[Details]
An MDO mixed domain oscilloscope has three main elements:
First, time-related cross-domain analysis;
Second, broadband, high time precision modulation domain analysis;
Third, the fiv...[Details]
When developing single-chip microcomputer application systems, assembly language is a commonly used software tool. It can directly operate hardware and has fast execution speed of instructions. Howeve...[Details]
Overview
For chemical fiber production, Q/A air conditioning system is a key factor affecting quality. The intelligent control system is a network system composed of a central management stat...[Details]
0 Introduction
For a long time, the study of the electrical properties of biological tissues has been a hot topic in biomedical engineering. The electrical properties of biological tissues are ...[Details]
Liquid crystal display devices have these incomparable advantages, and with the continuous development of liquid crystal display technology and the continuous reduction of product prices in recent yea...[Details]
Lithium-ion batteries, which have the advantages of high voltage, high capacity, long cycle life and good safety performance, have broad application prospects in portable electronic devices, electr...[Details]
MP3 (MPEG I Audio Layer 3) is a sound file format based on the Motion Picture Expert Group (MPEG) compression standard. Its compression ratio varies according to the sampling frequency, compression bi...[Details]
External power socket cleverly converted into charging socket
Some pocket semiconductor radios and pocket radio recorders are equipped with external power sockets, as shown in Figu...[Details]
0 Introduction
As cars become more and more common in families, car thefts occur frequently. According to incomplete statistics, the number of car thefts in China reaches 100,000 per year. Aimi...[Details]
Linux and Android
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